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Allen Bradley 140U MCB 140U-D6D3-B20

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140U-D6D3-B20

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The 140U-D6D3-B20 circuit breaker from Allen Bradley is engineered for reliable performance at a supply voltage of 480V AC and 60 Hz. This three-pole breaker has a rated current of 2 Amps, well-suited for various applications, and is designed according to D-frame specifications.

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Ships from Raleigh, NC
2 Year DO Supply Warranty
Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 140U-D6D3-B20

ManufacturerAllen Bradley
Product TypeCircuit Breaker
Product Line140U MCB
Part Number140U-D6D3-B20
Weight0.69 lbs (0.31 kg)
Supply Voltage480V AC
Supply Frequency60 Hz
Pole ConfigurationThree-pole configuration
Rated Current2A
Frame SizeSize-D Frame
Interrupt Rating100 kA
StandardsUL489 Listed
ApprovalsCSA, IEC, and CE Certified
Thermal MagneticYes, Fixed Thermal and Fixed Magnetic
InstallationField installed
Rotary OperatorsYes, available
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The Allen Bradley 140U-D6D3-B20 is a circuit breaker designed to manage electrical overloads effectively. It operates at a supply voltage of 480 volts AC and is rated for a frequency of 60 Hz. This device utilizes a three-pole arrangement, allowing for versatile applications in multi-phase systems. With its rated current set at 2 Amps, it operates efficiently to protect circuits from unexpected surges.

Constructed with a size-D frame, this breaker meets rigorous industry standards, holding a UL489 listing. Its interrupting capacity is rated at 100 kA, enabling it to safely disconnect power during fault conditions without jeopardizing system integrity. Overall, the 140U-D6D3-B20 is equipped for demanding installations, complying with certifications from CSA, IEC, and CE, ensuring a trustworthy solution.

Included within the design are thermal and magnetic trip mechanisms, both set to fixed parameters, promoting reliability during overload situations. Additionally, this model can be installed in the field, simplifying the integration process into existing systems. Rotary operators can also be accessed for enhanced control, making this breaker not only functional but adaptable to various operational needs.

Revision Part #Also known as
140U-D6D3-B20 Ser A140U-D6D3-B20/A, Series A, Rev A
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